OBD Guide
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P1E7B

Hybrid/Electric Vehicle Battery 80 Circuit

P1E7B is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 80 Circuit. Common causes: damage to high voltage cables, battery management system malfunction. Estimated repair cost: $167–889.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–889 (est.)

Symptoms

  • Reduced vehicle power
  • Malfunction warning on the dashboard
  • The car goes into emergency mode
  • Problems with charging a high-voltage battery

Causes

  • Damage to high voltage cables
  • Battery management system malfunction
  • Problems with contacts in a high voltage circuit
  • Malfunction of voltage sensors
  • Physical damage to the battery

How to Fix

  1. High voltage system diagnostics
  2. Checking the integrity of cables and connections
  3. Testing the Battery Management System
  4. Replacing damaged components
  5. Repair only from an authorized dealer

Related codes

P1E7AP1E7CP0AA6

FAQ

What does the P1E7B code mean?

P1E7B is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 80 Circuit

What causes a P1E7B error code?

The most common causes of P1E7B include: Damage to high voltage cables; Battery management system malfunction; Problems with contacts in a high voltage circuit; Malfunction of voltage sensors.

How do I fix a P1E7B diagnostic trouble code?

To fix P1E7B: High voltage system diagnostics. Checking the integrity of cables and connections. Testing the Battery Management System. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E7B?

Do not drive — repair immediately

How much does it cost to fix P1E7B?

The estimated repair cost for P1E7B is $167–889. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat